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Chrysocolla ps after Aurichalcite & Smithsonite

#AH51760

Chrysocolla ps after Aurichalcite & Smithsonite

#AH51760
Availability
Sold
Size
6 x 3.5 x 2.5 cm - Sm Cabinet 
Formula
(Cu,Al)2H2Si2O5(OH)4·nH2O (RRUFF)
Locality
79 mine, Gila Co., Arizona, United States

Interesting study specimen and an attractive to boot, veins of rich thick chrysocalla in the matrix portion and replacements of the said minerals on the face. There is also Malachite in a single botryoid.

Chrysocolla

Formula
(Cu,Al)2H2Si2O5(OH)4·nH2
Crystal System
Orthorhombic 
Crystal Habit
Botryoidal, Earthy, Stalactitic 
Cleavage
None, None, None 
Luster
Vitreous - Dull 
Color
green, bluish green, blue, blackish blue, brown 
Streak
light green 
Class
Orthorhombic 
Fracture
Brittle - Sectile 
Hardness
2.5-3.5 

Data courtesy of Webmineral.

Collection
Arnold G Hampson Collection

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